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DIAGNOSIS SYSTEM (ECM) EC-881 < SYSTEM DESCRIPTION > [R9M] C D E F G H I J K L M A EC N P O ENGINE OIL DILUTION RATIO % — MEASURE AIR FLOW kg/h Intake air flow rate computed from the mass air flow sensor RAIL PRESSURE bar Fuel rail pressure is displayed. RAIL PRES SET bar Target fuel rail pressure is displayed. TEMP. UPSTREAM OF PF ° C or ° F Exhaust gas temperature before DPF computed from the FUEL FLOW S/V CURRENT mA Current value of fuel flow actuator is displayed. LAST OFF/V CLOSE % Inlet throttle valve offset - last closed learning IN FLAP ABSO POSI % Raw value of the position in percent of the sensor supply FIRST OFF/V OPEN % Inlet throttle valve offset - first opened learning FIRST OFF/V CLOSE % Inlet throttle valve offset - first closed learning LAST OFF/V OPEN % Inlet throttle valve offset - last opened learning REGEN MALFNC — Indicates the number of DPF regeneration failures since TEMP. UPSTRM OF CAT CNV ° C or ° F — FLOW GAS IN DPF m3/h Flow of gas inside the DPF is displayed. AIR FLOW REFERENCE mg/cp — ENGINE OIL TEMP SENSOR — — ROUGH TC PRESS mbar — EGR LOW PRESSURE POSI- % — ENGINE TORQUE Nm — POST INJECTION FLOW 1 mg/cp — SOOT IN P/FLT g Soot mass in the DPF is displayed. EXHAUST SYSTEM FLOW g/s Exhaust gas air mass flow for estimation of downstream P/FLT DIFF. PRS hPa Differential exhaust gas pressure before/after DPF is dis- EXHAUST AIR FLAP OFFSET % — PART.FILTER UPSTREAM mV Upstream DPF Temperature Sensor signal voltage is dis- EXHAUST AIR VALVE POSI- mV — EGR VALVE FIRST OFFSET % EGR valve offset - first learning LAST EGR VALVE OFFSET % EGR valve offset - last learning POTN VAL EGR VALVE CLSD % Absolute position in percent of the sensor supply voltage HP EGR VALV POS SETPOINT — — FUEL TEMPERATURE ° C or ° F Fuel temperature computed from the fuel temperature sen- PARTICLE FILTER DIFF. PRES- hpa — MANIFOLD PRESSURE mbar Intake manifold pressure computed from the TC boost sen- RAIL PRESS SEN VOLT mV — LOW PRESSURE EGR AIR ° C or ° F — Monitor item Unit Description Remarks |